Mercurial > gnulib
view lib/vdprintf.c @ 40190:ef116535bf1a
relocatable-prog: Use $ORIGIN trick on more platforms.
* m4/relocatable.m4 (gl_RELOCATABLE_BODY): Use $ORIGIN trick also on
FreeBSD >= 7.3, DragonFly >= 3.0, NetBSD >= 8.0, OpenBSD >= 5.4,
Solaris >= 10, Haiku. But don't use it on Android.
* build-aux/reloc-ldflags: Allow the use of the $ORIGIN trick also on
Hurd, FreeBSD, DragonFly, NetBSD, OpenBSD, Solaris, Haiku.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Wed, 20 Feb 2019 02:39:52 +0100 |
parents | b06060465f09 |
children |
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/* Formatted output to a file descriptor. Copyright (C) 2009-2019 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>. */ #ifdef HAVE_CONFIG_H # include <config.h> #endif /* Specification. */ #include <stdio.h> #include <errno.h> #include <limits.h> #include <stdarg.h> #include <stdlib.h> #include "full-write.h" #include "vasnprintf.h" int vdprintf (int fd, const char *format, va_list args) { char buf[2000]; char *output; size_t len; size_t lenbuf = sizeof (buf); output = vasnprintf (buf, &lenbuf, format, args); len = lenbuf; if (!output) return -1; if (full_write (fd, output, len) < len) { if (output != buf) { int saved_errno = errno; free (output); errno = saved_errno; } return -1; } if (output != buf) free (output); if (len > INT_MAX) { errno = EOVERFLOW; return -1; } return len; }